Bronx County, New York

County seat: The Bronx · Population 1.4 million (2025) · 42 sq mi

Bronx County is the 5th most populous of New York's 62 counties, with 1,406,332 people (2025 estimate). Its county seat is The Bronx. The map shows its 1 city or town and the 5 neighboring counties.

Map of Bronx County, New York with cities, towns and the county boundary
Bronx County, New York with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Bronx County facts

County seat
The Bronx
Population (2025 estimate)
1,406,332 −4.5% since 2020
Land area
42 sq mi 61st largest of 62
Water area
15 sq mi
Population density
33,324 per sq mi
Established
1914
Named after
Jonas Bronck Namesake of Bronx, New York
Largest city
New York 1,406,332 in the county
Median household income
$48,676
Cities and towns
1
ZIP codes
28
Time zone
Eastern
FIPS code
36005

Cities and towns in Bronx County

Bronx County has 1 incorporated place. Populations count the people living inside Bronx County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
New YorkCity1,406,332Kings, New York, Queens and Richmond counties

ZIP codes in Bronx County

28 ZIP codes reach into Bronx County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Bronx County, 2020–2025

Bronx County shrank by 66,308 people (−4.5%) between April 2020 and July 2025: 27,672 more births than deaths and a net loss of 94,791 people from migration.

Year (July 1)Population
20201,461,233
20211,420,980
20221,384,053
20231,380,478
20241,406,052
20251,406,332

Neighboring counties

Printable Bronx County map

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Sources

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